/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.apache.rocketmq.example.quickstart;

import org.apache.rocketmq.client.exception.MQClientException;
import org.apache.rocketmq.client.producer.DefaultMQProducer;
import org.apache.rocketmq.client.producer.SendResult;
import org.apache.rocketmq.common.message.Message;
import org.apache.rocketmq.remoting.common.RemotingHelper;

/**
 * This class demonstrates how to send messages to brokers using provided {@link DefaultMQProducer}.
 */
public class FXBProducer {
    public static void main(String[] args) throws MQClientException, InterruptedException {
        // 使用GroupName初始化Producer
        DefaultMQProducer producer = new DefaultMQProducer("please_rename_unique_group_name");
        // 指定NameSrv的地址: 也可以通过环境变量NAMESRV_ADDR来指定，则不需要下面这一行。
        producer.setNamesrvAddr("name-server1-ip:9876;name-server2-ip:9876");
        // 启动实例
        producer.start();
        try {
            // 创建消息实例,指定 topic, tag, message body.
            Message msg = new Message("TopicTest" /* Topic */,
                "TagA" /* Tag */,
                ("Hello RocketMQ !!").getBytes(RemotingHelper.DEFAULT_CHARSET) /* Message body */
            );
            // 发送消息给Broker
            SendResult sendResult = producer.send(msg);
            System.out.printf("%s%n", sendResult);
        } catch (Exception e) {
            e.printStackTrace();
            Thread.sleep(1000);
        }
        // 关闭生产者
        producer.shutdown();
    }
}
